Add support for IPFS CIDs

README.md

@@ -15,6 +15,7 @@ letter hint to yank the text in your tmux buffer.
 - File paths
 - File in diff
 - Git SHAs
+- IPFS CID's
 - Colors in hex
 - Numbers ( 4+ digits )
 - Hex numbers

src/state.rs

@@ -5,7 +5,7 @@ use std::fmt;
 const EXCLUDE_PATTERNS: [(&'static str, &'static str); 1] =
   [("bash", r"[[:cntrl:]]\[([0-9]{1,2};)?([0-9]{1,2})?m")];
 
-const PATTERNS: [(&'static str, &'static str); 12] = [
+const PATTERNS: [(&'static str, &'static str); 13] = [
   ("markdown_url", r"\[[^]]*\]\(([^)]+)\)"),
   (
     "url",
@@ -19,6 +19,7 @@ const PATTERNS: [(&'static str, &'static str); 12] = [
     "uid",
     r"[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
   ),
+  ("ipfs", r"Qm[0-9a-zA-Z]{44}"),
   ("sha", r"[0-9a-f]{7,40}"),
   ("ip", r"\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}"),
   ("ipv6", r"[A-f0-9:]+:+[A-f0-9:]+[%\w\d]+"),
@@ -363,6 +364,19 @@ mod tests {
     assert_eq!(results.get(3).unwrap().text.clone(), "#abcd00");
   }
 
+  #[test]
+  fn match_ipfs() {
+    let lines = split("Lorem QmRdbNSxDJBXmssAc9fvTtux4duptMvfSGiGuq6yHAQVKQ lorem Qmfoobar");
+    let custom = [].to_vec();
+    let results = State::new(&lines, "abcd", &custom).matches(false, false);
+
+    assert_eq!(results.len(), 1);
+    assert_eq!(
+      results.get(0).unwrap().text.clone(),
+      "QmRdbNSxDJBXmssAc9fvTtux4duptMvfSGiGuq6yHAQVKQ"
+    );
+  }
+
   #[test]
   fn match_process_port() {
     let lines = split("Lorem 5695 52463 lorem\n Lorem 973113 lorem 99999 lorem 8888 lorem\n   23456 lorem 5432 lorem 23444");